WordPress Plugin "Advanced Custom Fields" vulnerable to missing authorization


WordPress Plugin "Advanced Custom Fields" provided by Delicious Brains contains a missing authorization vulnerability (CWE-862).

Keitaro Yamazaki of Ierae Security, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 6.5 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products

Delicious Brains
  • Advanced Custom Fields versions prior to 5.12.1
  • Advanced Custom Fields Pro versions prior to 5.12.1


Users of this product (Editor, Author, Contributor) may view the information on the database without the access permission.

[Update the plugin]
Update the plugin according to the information provided by the developer.
The developer has released the versions listed below that address the vulnerabilities.

* Advanced Custom Fields 5.12.1
* Advanced Custom Fields Pro 5.12.1
Vendor Information

Delicious Brains
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2022-23183

  1. JVN : JVN#42543427
Revision History

  • [2022/03/30]
      Web page was published